CN103930221A - Device for correcting shape of bent metal bar and corresponding method - Google Patents

Device for correcting shape of bent metal bar and corresponding method Download PDF

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Publication number
CN103930221A
CN103930221A CN201280055353.0A CN201280055353A CN103930221A CN 103930221 A CN103930221 A CN 103930221A CN 201280055353 A CN201280055353 A CN 201280055353A CN 103930221 A CN103930221 A CN 103930221A
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CN
China
Prior art keywords
adjacent element
paragraph
segment
bending
bending section
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Granted
Application number
CN201280055353.0A
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Chinese (zh)
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CN103930221B (en
Inventor
G·德尔法布罗
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MEP Macchine Elettroniche Piegatrici SpA
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MEP Macchine Elettroniche Piegatrici SpA
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Publication of CN103930221B publication Critical patent/CN103930221B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/10Bending specially adapted to produce specific articles, e.g. leaf springs
    • B21D11/12Bending specially adapted to produce specific articles, e.g. leaf springs the articles being reinforcements for concrete
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/10Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D3/00Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
    • B21D3/14Recontouring

Abstract

Device to correct the shape of a bent metal bar (B) which is provided with at least a substantially rectilinear first segment (16), a substantially straight second segment (17) which is opposite the first segment (16), separated from it by a curved segment (18). The first segment (16) is diverted with respect to the plane on which the second segment (17) and at least one portion of the curved segment (18) lie. The device comprises a first abutment element (25), suitable to selectively hold the curved segment (18) and is provided with an abutment surface (35) on which, in use, at least one portion of the second segment (17) and of the curved segment (18) is housed, and a second abutment element (26) provided with a pressure element (41) which, during use, is disposed above the first segment (16). Translation means (39, 42) are associated at least to one of either the first abutment element (25) or the second abutment element (26) in order to translate at least one of these against the other, so that the pressure element (41) and the abutment surface (35) deform the curved segment (18).

Description

Be used for the device of shape of metallic rod of bending with sizing and corresponding method
Technical field
The device that the present invention relates to a kind of shape that is used for proofreading and correct the metallic rod being previously bent, for example, have at least one section with U-bend song in the principal piece of this bar.
Especially, allow according to device of the present invention the both sides of bending bar relative to each other of having alignd in identical plane, and be included in the bending section between these both sides.
Background technology
Bending machine becomes known for bending metals bar, for example but not exclusively, strengthen stirrup or bar to manufacture, this reinforcement stirrup or bar suitably relatively self bending be sometimes referred to as the shaped profile of special profile and the special function for building field to limit.
Especially, the bar of U-shaped is known substantially, that is, bar has relative to each other parallel or with the angled first paragraph of acute angle and second segment, and the bending section that connects them is between this first paragraph and second segment.
In order to manufacture these shaped profiles, use bending apparatus, this bending apparatus is provided with the bending apparatus of the type for example with contrast pin or hoe shape pin.Especially, the bar that be bent is moved forward towards bending apparatus, make the length of an outstanding hope of its first paragraph, the length of the first bending section that the length of this hope equals to obtain.Subsequently, by selling bending this bar around contrast pin or hoe shape, this bar is bent.In order to consider returning elastically of metallic rod, be necessary to control this bending apparatus and make it make the bending angle of first paragraph, in fact this angle is greater than wants obtained angle between first paragraph and second segment.
This causes the necessary overlapping second segment of first paragraph, especially in the situation of considerable U-shaped bar.For fear of the interference between both sides, bending apparatus bending table disposed thereon is provided with the plane of inclination conventionally, and during bending operation, the plane of this inclination is for turning to first paragraph to make its overlapping second segment vertically.
Need to cause the generation of uneven bar to this of the overlapping second segment of first paragraph, that is, first paragraph, second segment is not in alignment with each other with the bending section that is connected them in single plane.This at least needs in the special application of coplanarity condition between bending both sides is disadvantageous.
In other application, also may need first and second sections of hope angles that mutually tilt to limit relative to each other, this wishes that angle is different from the angle of arranging these two sections after bending operation with it.
An object of the present invention is to manufacture a kind of device, the shape that this device is used for proofreading and correct the metallic rod being previously bent is to obtain final shaped profile, this final shaped profile has bending side, and this bending side is substantially coplanar each other, or the angle that tilts to wish relative to each other.
Another object of the present invention is to manufacture a kind of device of the shape that is used for calibration metal bar, and this device manufactures simple and economical, and does not need complicated operation to realize the coplanarity condition between the section of this bar of composition, or the angle of wishing.
Another object of the present invention is to manufacture a kind of device of the shape that is used for adjustable stem, this device can simply and rapidly directly be integrated on the machine for bent stick, no matter these machines are new or have existed, do not need to invade and intervene this machine, can greatly not increase volume and not cause the important modification of working cycles.
Another object of the present invention is to improve a kind of method of the shape that is used for calibration metal bar, and the method is simple, needs fast and not complicated operation.
Another object of the present invention is to improve a kind of method of the shape that is used for calibration metal bar, and the method can directly be performed on bending machine, and just in time after the bending of bar.
The applicant designs, and test and enforcement the present invention are to overcome the shortcoming of prior art and to obtain these and other objects and advantage.
Summary of the invention
The present invention is set forth and is characterized in independent claims, and dependent claims is described the variant of other characteristic of the present invention or main invention thought.
According to above-mentioned purpose, according to the device of the shape of the metallic rod that is used for bending with sizing of the present invention for proofreading and correct the mutual angle between the first paragraph with respect to bending section and second segment between first paragraph and second segment.
Especially, the operated bending bar of this device is provided with at least substantially straight first paragraph, relative with first paragraph and by bending section and the separated second segment of first paragraph.Because the bending machining that first paragraph has stood, first paragraph is with respect to the plane at least a portion place of second segment and bending section and turn to.
According to a feature of the present invention, this device comprises the first adjacent element and is arranged to the second adjacent element with respect to the first adjacent element skew.
The first adjacent element is suitable for interacting and keeping at least one part of bending section, and the first adjacent element is provided with abutment surface, and at least a portion of second segment and at least a portion of bending section are arranged on this abutment surface.
The second adjacent element is provided with pressure elements, and during use, this pressure elements is arranged in first paragraph top.
At least one of translation mechanism and the first adjacent element or the second adjacent element is connected, at least to make the one of the first adjacent element and the second adjacent element with respect to another one translation.Like this, pressure elements and abutment surface are out of shape to make first paragraph and second segment substantially coplanar relative to each other bending section, or the angle that tilts to limit with respect to bending section according to application requirements.
Especially, by keeping at least a portion of bending section restrained, and by second segment being arranged to contact abutment surface, due to the effect of pressure elements to first paragraph, bending section is for good and all out of shape.
According to the form of implementation of favourable form, the first adjacent element comprises crust component, and this crust component is suitable for limiting shell bearing, and at least one part of bending section is inserted in this shell bearing.
Like this, be used for during the step of shape of adjustable stem, above-mentioned crust component serves as holding element.
In the form of implementation of another form, the first adjacent element comprises Part I and is arranged to substantially vertical with respect to Part I Part II.Part I and Part II limit abutment surface.More specifically, the Part I of the first adjacent element serves as the support member for the second segment of bar, and at least one part of Part II support bends section.
Advantageously, crust component and Part II are permanently connected or make monomer, and abutment surface belongs to shell bearing at least in part.
In the form of implementation of other form, pressure elements is arranged to corresponding to recessed region, this recessed region is defined as between the Part I and Part II of the first adjacent element, and the motion of the second adjacent element can be occurred along the direction of the thickness of these two parts.
According to characteristic further, means for correcting comprises supporting pin, and this supporting pin is connected to the first adjacent element, and is conventionally arranged to outstanding with respect to abutment surface.Described bar is arranged between supporting pin and the second adjacent element, forces by this way it during bending step, to maintain appropriate location.
According to a kind of form of implementation of form, supporting pin is arranged through the Part I of the first adjacent element.
In the form of implementation of other form, the first translation mechanism is connected with the first adjacent element and the second adjacent element respectively with the second translation mechanism, so that the first adjacent element and the translation independently of one another of the second adjacent element.
The present invention also relates to the correlation technique of the shape for proofreading and correct the metallic rod of manufacturing by device as above.
Also can be applied to bending machine according to the device of the shape that is used for calibration metal bar of the present invention, this bending machine comprises for supplying with the device of metallic rod towards bending apparatus and shearing the device of shearing this bar by size.
Brief description of the drawings
According to the following description of the embodiment of the preferred form providing as non-limitative example with reference to accompanying drawing, these and other characteristic of the present invention will become obviously, wherein:
Fig. 1 be applied to bending machine according to the perspective view of the means for correcting of the shape that is used for calibration metal bar of the present invention;
Fig. 2 is the perspective view according to means for correcting of the present invention;
Fig. 3 is the side view of Fig. 2 means for correcting in the first operative configuration;
Fig. 4 is the side view of Fig. 2 means for correcting in the second operative configuration;
Fig. 5 is the side view of Fig. 2 means for correcting in the 3rd operative configuration;
Fig. 6 is the side view of Fig. 2 means for correcting in the 4th operative configuration;
Fig. 7-11st, the perspective view of the bar that is bent and manufactures by bearing calibration according to the present invention;
Figure 12 is the perspective view of the variant of Fig. 2.
In order to promote to understand, possible in the situation that, identical Reference numeral is for the identical common element of marked graph.
Detailed description of the invention
With reference to figure 1, be used for the means for correcting of shape of calibration metal bar B to be indicated by Reference numeral 10 as a whole, and with in fact bending machine 11 direct correlation of known type.
Especially, bending machine 11 comprises feed mechanism 12, and bending table 15 is used for by the shear 13 of size cutting, and is used for the bending apparatus 14 of bent stick B.
Feed mechanism 12 is for supplying with bar B towards bending apparatus 14, and this bending apparatus 14 is suitable for making in a known way bar B bending.
Bar B is bent to limit at least the first straightway 16, the second straightway 17 of contiguous first paragraph 16, and bending section 18, and this bending section 18 is between first paragraph 16 and second segment 17.The bending section 18 of bar B can present the different structure as shown in Fig. 7-11, (Fig. 8 and 10) of for example U-shaped, shape is as partially enclosed circular arc (Fig. 7 and 11), or has the part (Fig. 9) that is configured as the principal spread direction that crosses bar B.
Shear 13 is provided with the plane 22 tilting towards their core and makes in the time that first paragraph 16 is bent, and its overlapping second segment 17 prevents the problem of interfering with the latter.During bending, the existence of clinoplain 22 causes the turning to of first paragraph 16 that produces bar B, and this makes it not coplanar with second segment 17.
The shortage of this coplanarity also comes from the character of material, when this material tends to release surface tension force during with this angular bend, revises it to bending reaction.
Means for correcting 10 is arranged in bending apparatus 14 downstreams, and is suitable for proofreading and correct first paragraph 16, second segment 17 and connect the angle between their bending section 18.
Especially, comprise at least the first adjacent element 25 according to means for correcting 10 of the present invention (Fig. 2), can be with respect to the second adjacent element 26 of the first adjacent element 25 translations, with the supporting pin 27 being connected with the first adjacent element 25, and in this case, as one man removable together with the second adjacent element 26.
The Part II 30 that the first adjacent element 25 is suitable for supporting at least in part the first end part 29 of second segment 17 and is at least directly connected to the bending section 18 of first end part 29.
Especially, the first adjacent element 25 is essentially L shaped,, it has Part I 32 and is arranged to substantially vertical with respect to Part I 32 Part II 33, and be provided with abutment surface 35, during use, the first end part 29 of second segment 17 and the Part II 30 of bending section 18 are shelved on this abutment surface 35.
Abutment surface 35 is all arranged to be arranged essentially parallel to bending table 15 in each situation.
Crust component 36 is fixedly connected to the Part II 33 of the first adjacent element 25, and is suitable for limiting shell bearing 37 together with abutment surface 35, and during use, at least the Part II 30 of bending section 18 is arranged in this shell bearing 37.
The first adjacent element 25 is associated with the first translation mechanism 39, and this first translation mechanism 39 is used for making the vertical translation of the first adjacent element 25, and makes the first adjacent element 25 outstanding with respect to bending table 1, or is fully retracted with respect to it.
The second adjacent element 26 is arranged to the end of the second segment 33 that approaches the first adjacent element 25 and comprises supporter 40, and pressure elements 41 is fixedly connected to this supporter 40.
Pressure elements 41 is arranged to corresponding to recessed region, and this recessed region is defined as between the Part I 32 and Part II 33 of the first adjacent element 25, and optionally with respect to rear both thickness translation, along the arrow F indicated direction in Fig. 2.
Pressure elements 41 is provided with contrast surface 45, and this contrast surface 45 is caused with first paragraph 16 and contacts between the moving period of the second adjacent element 26.
More particularly, the second translation mechanism 42 is fixedly connected to supporter 40, and independent with respect to the first translation mechanism 39, and this second translation mechanism 42 is used for respect to vertically translation of bending table 15 the second adjacent element 26.
Supporting pin 27 is arranged through and approaches the center line of the Part I 32 of the first adjacent element 25.
In this case, supporting pin 27 is independent of the first adjacent element 25 and optionally moves in phase with the second adjacent element 26.
Supporting pin 27 can be provided with respect to independently motion of the second translation mechanism 42, or in the embodiment of other form, and the second translation mechanism 42 they self is for mobile the second adjacent element 26 and supporting pin 27.
Support component 43 (Fig. 1) (being in this case two) is provided for support bar B, and this bar B is bent between the moving period along bending table 15.Especially, in this case, the first support component 43 is between bending apparatus 14 and means for correcting 10, and other support component 43 is arranged in the downstream that means for correcting 10 is close to.
Two support components 43 optionally translation, to arrive first mode of operation outstanding with respect to bending table 15, and arrive the second mode of operation being retracted in bending table 15.
Once bar B has been bent and has carried out the operation of shape for the section of adjustable stem, be arranged in shear 13 (Fig. 1) between travel mechanism 12 and bending apparatus 14 just for by size cutter bar B.
Bending table 15 is arranged to substantially vertical in this case, or be arranged in other cases tilt, be just performed and can be discharged from from bending machine 11 due to Action of Gravity Field once make bent stick B be used for bending it and all operations of proofreading and correct shape.
With reference to figure 3-6, according to the present invention, describe being now used for the function of means for correcting 10 of shape of adjustable stem B.
During the bending step of the bar B by bending apparatus 14 that uses known method to carry out, be used for the means for correcting 10 of shape of adjustable stem to be arranged in the non-operating state with respect to bending table 15 indentations, to do not produce and the interference of the motion of bar B.
Once complete bending operation, means for correcting 10, the first adjacent element 25 and the second adjacent element 26 just enter with respect to the first mode of operation of outstanding they of bending table 15 so that at least abutment surface 35 is arranged to substantially and bending table 15 coplanar (Fig. 3).
The second adjacent element 26 is arranged to respect to outstanding the first distance L of bending table 15, raises to allow bar B to pass through not have the problem of interference below pressure elements 41 with respect to the first adjacent element 25.
In this state, the second segment 17 of bar B is still clamped by feed mechanism 12, and this feed mechanism is for supplying with bending bar B towards means for correcting 10.
Especially, it is inserted in shell bearing 37 and first end part 29 and Part II 30 is arranged in the abutment surface 35 of the first adjacent element 25 for supplying with bar B so that by the Part II 30 of bending section 18 at least.
In this state, the second adjacent element 26 is entered from the second duty of bending table 15 outstanding definite second distance D (being greater than the first distance L).
Subsequently, first translation mechanism 39 towards second adjacent element 26 translation the first adjacent elements 25.During the translation of the first adjacent element 25, bar B is translation vertically also, and this bar is shelved on abutment surface 35 and is inserted into respectively in shell bearing 37 with its second segment 17 and bending section 18.
The existence of the translation of the first adjacent element 25 makes by pressure elements 41 effect of exerting pressure on first paragraph 16, to can make first paragraph 16 align with second segment 17, or makes first paragraph 16 angled with the angle limiting with respect to second segment 17.
Especially, in order to consider returning elastically of bar B, during bending, be necessary that, the abutment surface 35 of the first adjacent element 25 at least reaches a height, and this is highly equal to or higher than the height (with respect to bending table 15) on the contrast surface 45 of pressure elements 41.
Bending table 15 is not interfered between 41 applied pressure action periods of pressure elements in the end that the existence of second distance D also makes first paragraph 16, and this interference will cause undesirable distortion of bar B conversely.
Then, at least the first adjacent element 25 is turned back in the state that abutment surface 35 aligns with bending table 15.Like this, feed mechanism 12 is used for from means for correcting 10 release lever B and therefore by allowing removing of bar B with shear 13 shear rod B.During this last operation, means for correcting 10 can enter its non-operating state with respect to bending table 15 indentations.
During aforesaid operations, supporting pin 27 is for remaining on bar B the position of hope, that is, at least bending section 18 cooperates with shell bearing 37, even in operating period of lifting arm B.
Be clear that, in the situation that not departing from the field of the invention and scope, can make amendment and/or the interpolation of part to being used for as described previously the apparatus and method of shape of calibration metal bar.
For example, according in the situation of the structure shaped bar B shown in Fig. 9, have the first contrast element 25 according to means for correcting 110 of the present invention (Figure 12), this first contrast element is only provided with Part II 33, and crust component 36 is directly integrated into this Part II 33.
Crust component 36 is provided with abutment surface 35, and this abutment surface is carried out function same as described above.Shell bearing 37 allows the second segment 17 of bar B to insert through it, and a part for bending section 18 and first paragraph 16 are outstanding from shell bearing 37 simultaneously.
The second adjacent element 26 acts directly on first paragraph 16 by pressure elements 41.
Also be clear that; although described the present invention with reference to some object lessons; but those skilled in the art should can realize many other equivalents for the apparatus and method of the shape of calibration metal bar without doubt; these many other equivalents have the characteristic as set forth in claim, and therefore all drop in the protection domain limiting thus.

Claims (12)

1. be used for the device of shape of metallic rod (B) of bending with sizing, described metallic rod (B) is provided with: first paragraph (16) linearly at least substantially; Substantially straight second segment (17), described second segment (17) is relative with described first paragraph (16), separates by bending section (18) and described first paragraph (16); Described first paragraph (16) is with respect to the plane at least a portion place of described second segment (17) and described bending section (18) and turn to, it is characterized in that, described device comprises: the first adjacent element (25), described the first adjacent element (25) is suitable for optionally keeping described bending section (18) and is provided with abutment surface (35), in use, on this abutment surface, hold at least a portion of described second segment (17) and at least a portion of described bending section (18); With the second adjacent element (26), described the second adjacent element (26) is offset and is provided with pressure elements (41) with respect to described the first adjacent element (25), and described pressure elements (41) is disposed in described first paragraph (16) top during use; Translation mechanism (39,42) be at least connected to the one of described the first adjacent element (25) or described the second adjacent element (26), at least to make the one of described the first adjacent element (25) and described the second adjacent element (26) with respect to another one translation, described pressure elements (41) and described abutment surface (35) can be out of shape described bending section (18).
2. device according to claim 1, it is characterized in that, described the first adjacent element (25) comprises crust component (36), described crust component (36) is suitable for limiting shell bearing (37), and described shell bearing (37) is suitable for keeping at least a portion of described bending section (18).
3. device according to claim 2, it is characterized in that, described the first adjacent element (25) comprises Part I (32) and is arranged to substantially vertical with respect to described Part I (32) Part II (33), and described Part I (32) and described Part II (33) limit described abutment surface (35).
4. device according to claim 3, it is characterized in that, described pressure elements (41) is arranged to corresponding to recessed region, and this recessed region is defined as between the described Part I (32) and described Part II (33) that is positioned at described the first adjacent element (25).
5. according to the device described in aforementioned any one claim, it is characterized in that, supporting pin (27) is connected to described the first adjacent element (25), and be conventionally arranged to give prominence to respect to described abutment surface (35), and described bar (B) is arranged between described supporting pin (27) and described the second adjacent element (26).
6. according to the device described in claim 3 and 5, it is characterized in that, described supporting pin (27) is arranged through the described Part I (32) of described the first adjacent element (25).
7. according to the device described in aforementioned any one claim, it is characterized in that, the first translation mechanism (39) is connected with described the first adjacent element (25) and described the second adjacent element (26) respectively with the second translation mechanism (42), so that described the first adjacent element (25) and described the second adjacent element (26) are with mode translation independent of each other.
8. be used for the method for shape of calibration metal bar (B), described method at least comprises bending step, in described bending step, bending described metallic rod (B) is at least to limit substantially first paragraph (16) linearly and straight second segment (17) substantially, described second segment (17) is relative with described first paragraph (16) and separate by bending section (18) and described first paragraph (16), described first paragraph (16) is with respect to the plane at least a portion place of described second segment (17) and described bending section (18) and turn to, it is characterized in that, described method at least comprises by means for correcting (10) proofreaies and correct described first paragraph (16), the subsequent step of the shape between described second segment (17) and described bending section (18), described aligning step at least provides following sub-step: the sub-step that keeps at least a portion of described bending section (18) by the first adjacent element (25), described the first adjacent element (25) is provided with abutment surface (35), at least a portion of described second segment (17) is arranged on described abutment surface (35), the sub-step of arranging pressure elements (41), the second adjacent element (25) in described first paragraph (16) top, described the second adjacent element (26) is arranged to be offset with respect to described the first adjacent element (25), and another sub-step, during this sub-step, at least one of described the first adjacent element (25) or described the second adjacent element (26), with respect to another one translation, can be out of shape described bending section (18) with the described pressure elements (41) that makes to act on described first paragraph (16).
9. method according to claim 8, it is characterized in that, the aligning step of described shape at least provides: the first sub-step, during described the first sub-step, described metallic rod (B) is transported to described means for correcting (10) along transporting flat (15), and the described abutment surface (35) of described the first adjacent element (25) is arranged to be arranged essentially parallel to described transporting flat (15); With the second sub-step, in described the second sub-step, described means for correcting (10) vertically translation makes described means for correcting (10) outstanding from described transporting flat (15).
10. method according to claim 9, it is characterized in that, after described the second sub-step, described the first adjacent element (25), towards described pressure elements (41) translation, exerts pressure described pressure elements (41) on described first paragraph (16).
11. are used at least equipment of metallic rod (B) of bending, described equipment at least comprises for carrying the mechanism (12) of described metallic rod (B) to bending apparatus (14) and being used for shearing by size the shear (13) of described metallic rod (B), described bending apparatus (14) is set so that bending described metallic rod (B) and at least limit first paragraph (16), second segment (17) and the bending section (18) of contiguous described first paragraph (16), described bending section (18) is between described first paragraph (16) and described second segment (17), described first paragraph (16) is with respect to the plane at least a portion place of described second segment (17) and described bending section (18) and turn to, it is characterized in that, described equipment also comprise being used for as described in any one in claim 1-7 proofread and correct as described in the device of shape of metallic rod (B).
12. equipment according to claim 11, it is characterized in that, described means for correcting (10) is arranged in described bending apparatus (14) downstream, and described travel mechanism is suitable for from the mobile described bar of described means for correcting (10) (B) with towards the mobile described bar of described means for correcting (10) (B).
CN201280055353.0A 2011-09-13 2012-09-10 The device of shape of metallic rod and corresponding method for bending with sizing Active CN103930221B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITUD2011A000143 2011-09-13
IT000143A ITUD20110143A1 (en) 2011-09-13 2011-09-13 CORRECTION DEVICE OF THE SHAPE OF A BENDED METALLIC BAR AND RELATIVE PROCEDURE FOR CORRECTION OF THE SHAPE
PCT/EP2012/067633 WO2013037725A1 (en) 2011-09-13 2012-09-10 Device for correcting the shape of a bent metal bar and corresponding method

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CN103930221A true CN103930221A (en) 2014-07-16
CN103930221B CN103930221B (en) 2016-06-29

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CN201280055353.0A Active CN103930221B (en) 2011-09-13 2012-09-10 The device of shape of metallic rod and corresponding method for bending with sizing

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EP (1) EP2755782B1 (en)
CN (1) CN103930221B (en)
BR (1) BR112014005696B1 (en)
DK (1) DK2755782T3 (en)
IT (1) ITUD20110143A1 (en)
WO (1) WO2013037725A1 (en)

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CN2248103Y (en) * 1995-03-21 1997-02-26 机械工业部西安重型机械研究所 Frame type straightening machine for metal pipe and rod material
US20070256466A1 (en) * 2006-05-04 2007-11-08 Antonios Anagnostopoulos Machine and process for production of three-dimensional stirrups
WO2010044052A2 (en) * 2008-10-15 2010-04-22 Schnell S.P.A. Method and apparatus for manufacturing spiral-reinforcements for reinforced concrete
WO2010044052A4 (en) * 2008-10-15 2010-09-02 Schnell S.P.A. Method and apparatus for manufacturing spiral-reinforcements for reinforced concrete
CN101642785A (en) * 2009-06-24 2010-02-10 沈群华 Device for metal rod straightening

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EP2755782A1 (en) 2014-07-23
CN103930221B (en) 2016-06-29
BR112014005696B1 (en) 2020-07-14
WO2013037725A1 (en) 2013-03-21
ITUD20110143A1 (en) 2013-03-14

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